149637842434 has 32 divisors (see below), whose sum is σ = 233301584880. Its totient is φ = 71926041600.

The previous prime is 149637842377. The next prime is 149637842483. The reversal of 149637842434 is 434248736941.

It can be written as a sum of positive squares in 8 ways, for example, as 19139892409 + 130497950025 = 138347^2 + 361245^2 .

It is a super-2 number, since 2×149637842434² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6627204 + ... + 6649744.

Almost surely, 2^149637842434 is an apocalyptic number.

149637842434 is a deficient number, since it is larger than the sum of its proper divisors (83663742446).

149637842434 is a wasteful number, since it uses less digits than its factorization.

149637842434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23766.

The product of its digits is 13934592, while the sum is 55.

The spelling of 149637842434 in words is "one hundred forty-nine billion, six hundred thirty-seven million, eight hundred forty-two thousand, four hundred thirty-four".